EgtDOORCreator/CompoPanel/CompoPanelHardwareV.xaml

<UserControl x:Class="CompoPanelHardwareV"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:EgtDOORCreator="clr-namespace:EgtDOORCreator">

   <UserControl.InputBindings>
      <KeyBinding Key="Enter" Command="{Binding RefreshCmd}"/>
   </UserControl.InputBindings>

   <Grid>

      <Grid.RowDefinitions>
         <RowDefinition Height="16*"/>
         <RowDefinition Height="Auto"/>
      </Grid.RowDefinitions>

      <ItemsControl ItemsSource="{Binding CompoTypeList}" Focusable="True"
                 Visibility="{Binding IsVisible}">

         <ItemsControl.InputBindings>
            <KeyBinding Key="Enter" Command="{Binding RefreshCmd}"/>
         </ItemsControl.InputBindings>

         <ItemsControl.ItemsPanel>
            <ItemsPanelTemplate>
               <UniformGrid Columns="1"/>
            </ItemsPanelTemplate>
         </ItemsControl.ItemsPanel>
      
         <ItemsControl.ItemTemplate>
            <DataTemplate>
               <RadioButton GroupName="DoorGroup"
                  Style="{StaticResource {x:Type ToggleButton}}"
                  CommandParameter="{Binding}" 
                  Command="{Binding DataContext.CompoBtnCommand,
                             RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
                  IsChecked="{Binding IsSelectedBtn}">
                  <RadioButton.Content>
                     <TextBlock Text="{Binding Name}"/>
                  </RadioButton.Content>
               </RadioButton>
            </DataTemplate>
         </ItemsControl.ItemTemplate> 
      </ItemsControl>

      <Button  Grid.Row="1"               
               Name="GoToAssembly"
               Command="{Binding DataContext.GoToAssemblyBtnCommand,
               RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
               CommandParameter="{Binding}" 
               Visibility="{Binding GoBackVisibility}"
               MaxHeight="40"
               Focusable="False">
         <Image Source="/Resources/Refresh/BackArrow.png" Stretch="Uniform"/>
      </Button>

   </Grid>
</UserControl>